| Unidentified photographer "Gagarin Paleolithic site". Excavation III. Western Wall of Excavation III [Lipetsk region, Zadonsky district, pos. Gagarino] 1929 (ca) Photograph Museum of Anthropology and Ethnography. Peter the Great (Kunstkamera) of the Russian Academy of Sciences Museum number:MAE I 251-24 LL/100268
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